DSO138 DIY Kit DIY Digital Oscilloscope Kit Electronic Learning Kit Suitable For Electronic Beginner This kit uses ARM Cortex-M3 processor (STM32F103C8), and includes a 2.4-inch color TFT display screen, can be used as ARM test development board. Can be secondary development on the basis of this kit, for example, it can be changed to Millivoltmeter, data loggers.With automatic, regular and one-shot modes, easy to capture the moment waveform. With automatic, regular and one-shot modes, easy to capture the moment waveform. With waveform parameter digital display, including frequency, period, pulse width, duty ratio, MAX./MIN./AVG./Peak-Peak/virtual values. Short-circuit and open-circuit detection: can help the user find out the soldering error.